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ZIP CODE TABULATION AREA

57780

South Dakota · 70 residents · 424.613 sq mi
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ZIP 57780 has notably lower household income than the US average, with a median household income of $40,192. Population has held roughly steady since 2024. 12% of adults hold a bachelor's degree or higher, below the national rate of 36%. With a median age of 57.8, the population is older than the US median of 38.9. The poverty rate of 38.6% is well above the national figure. Households here earn about 46% less than the Pennington County median. Among the 9 ZIP codes in Pennington County, 57780 ranks 9th by median household income.

$40,192
US average: $82,259
11.6%
US average: 35.6%
Age, sex & households
Under 18
1.4%
Age 65+
12.9%
74.3%
25.7%
1.40 people
Race & ethnicity · 2024
2024
White, non-Hispanic97.1%(68)
Black0%(0)
Hispanic / Latino0%(0)
Asian0%(0)
Other2.9%(2)
Diversity Score6.9%(5)
Housing
Commute & vehicles
Work & employment
People & community
Affordability & inequality
Within Pennington County
Income rank vs other ZIPs
LOWEST9TH OF 9HIGHEST
Adjacent ZIPs
57701$56,461
57702$91,457
57703$83,739
57725$48,214
Frequently asked

How many people live in ZIP code 57780?

ZIP code 57780 has about 70 residents according to the 2024 American Community Survey.

What is the median household income in ZIP code 57780?

The typical household in ZIP code 57780 earns about $40,192 a year. Half of households make more than that, and half make less.

How educated are people in ZIP code 57780?

About 11.6% of adults age 25 and over in ZIP code 57780 hold a bachelor's degree or higher.

What is the poverty rate in ZIP code 57780?

About 38.6% of people in ZIP code 57780 live below the federal poverty line.

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DATA: US CENSUS BUREAU ACS 5-YEAR · ZCTA · UPDATED 2024